动词变化形式

warmup•反口令游戏•standup起立sitdown坐下•turnleft向左转turnright向右转小学英语复习之-----动词的三大变化规则目前我们学的动词有哪几种形式？•动词原形(V原)：play,swim•动词三单形式：eats,watches•动词现在分词（V-ing）:playing,running•动词过去式：stopped,lived我们学了哪几种时态？•一般过去时•一般现在时•一般将来时•现在进行时第三人称单数（三单）变化规则•1．一般情况下，直接加-s，如：cook-cooks,milk-milks•2．以s.x.sh.ch.o结尾，加-es，如：finish-finishes,watch-watches,go-goes•3．以“辅音字母+y”结尾，变y为i,再加-es，如：study-studies•4.have的三单是has•动词三单适用于一般现在时，主语第三人称单数时（他，她，它及一个人或一个物）。练习•一、写出下列动词的第三人称单数。drinkgostayhavedrinksgoesstayshaspassstudyfixpassesstudiesfixesbrushdowatchbrushesdoeswatches•二、用括号内动词的适当形式填空。1.Heoften______(have)dinnerathome.key:has2.Mysister_____(watch)everyday.key:watches3.Mike_______(like)cooking.key:likes4.Herbrother_____(study)veryhard.key:studies5.LiuTao_______(do)notlikePE.key:does动词现在分词（V-ing）变化规则•1）直接加-ing,如：cook---cooking•2）以不发音的e结尾的动词，要去掉e加ing，如：make—making•3）重读闭音节动词，而且是辅元辅字母结尾的词，双写末尾辅音字母加-ing,如：put—putting•4）以-ie结尾的动词，把ie变成y，再加ing，如：tie—tying•动词现在分词主要用于现在进行时及一些词的固定搭配。练习•一、写出下列动词的现在分词：•playrunswim•playingrunningswimming•makeseeski•makingseeingskiing•singliewritefly•singinglyingwritingflying•二．用所给的动词的正确形式填空：1.Theboy_______(draw)apicturenow.key:iscooking2.Look!They____(have)anEnglishlesson.key:arehaving3.Listen!Somegirls____(sing)intheroom.key:aresinging4.Whatareyoudoing?I_____(run).key:amrunning动词过去式变化规则1.一般情况下直接加-ed，如work→worked2.以字母e结尾，则只加-d，如:live→lived,3.以“辅音+y”结尾的词，变y为i，再加-ed，cry→cried4.以重读闭音节结尾，末尾又只有一个辅音字母者，将该字母双写再加-ed，如：stop→stopped,5.不规则动词（六年级上册P74-75），如：do→did,go→went,see→saw,•动词的过去式主要用于一般过去时。练习一、写出下列动词的过去式。worrydanceplaykey:worrieddancedplayedgomakedoeskey:wentmadedidputdroplivekey:putdroppedlived•二、选择题。1.Lily___herroomlastSunday.A.cleanedB.cleanC.amcleaningkey:A2.I___myhomeworkat7:00pmyesterday.A.finishB.finishedC.wasfinishingkey:B3.TomandMary___(come)toChina2yearsago.A.cameB.comeC.comingkey:A4.He___________(visit)theGreatWalllastyear.A.visitB.comingC.visitedkey:C综合练习一、用所给词的正确形式填空。1.We_______(have)agoodtimeyesterday.key:had2.Myfatheroften_____(sing)thatsong.key:sings5.She_____(like)music.Nowshe_____(sing).key:likes,issinging3.What___(do)heusually___(do)afterschool?key:does,do6.We____(visit)theGreatWallnextmonth.key:willvisit4.LastSaturdaymymother___(go)shoppingand____(buy)meadress.key:went,bought二、选择题。()1.What____Mikedolastweekend?A.doB.doesC.did()2.John____toschoolbybikeeveryday.A.goB.goesC.went()3._____you_____TVyesterday？A.Do,watchB.Did,watchC.Did,watched()4.They_____haveatripnextyear.A.aregoingtoB.goC.went()5.Tomcan___tabletennisA.playB.playedC.plays•keys:1.C2.B3.C4.A5.A三、选择相应的答语。()1.Whatdoyouwanttoeat?()2.Didyougotothepark?()3.Howmuchisit?()4.Wheredoesshecomefrom?()5.Willyougoshopping?A.ShecomesfromChina.B.No,Iwon’t.C.It’s500yuan.D.Iwanttohaveahamburger.E.Yes,Idid.1.D2.E3.C4.A5.B解题方法•关键词•主语•时态